Transmitter module



FIG. 1 is a front perspective view of a transmitter module showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof, with the right side being a mirror image thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a top plan view thereof. 

The ornamental design for a transmitter module, as shown. 